dosage

noun

dos·​age ˈdō-sij 

1

a

: the addition of an ingredient or the application of an agent in a measured dose

b

: the presence and relative representation or strength of a factor or agent

2

a

: dose sense 2

b(1)

: the giving of a dose

(2)

: regulation or determination of doses

3

: an exposure to some experience in or as if in measured portions

Examples of dosage in a Sentence

Recent Examples on the Web

They are required to have the same active ingredient, strength, dosage form, route of administration, and quality standards. — Caroline Lubinsky, Martha Stewart, 2 Aug. 2026

The choice of a supplement may depend on personal preferences such as flavor, dosage form (tablets, capsules, chewables, or liquid), and budget. — Ayesha Gulzar, Verywell Health, 31 July 2026

But an increasing dependence on Ambien, and steady increases in dosages, led him to the brink of death in 2018. — Melissa Ruggieri, USA Today, 30 July 2026

Lindsay Clancy’s mental health worsened in December 2022 after a doctor increased her dosage of Seroquel, her former husband testified. — Nicki Brown, CNN Money, 29 July 2026

Word History

First Known Use

1849, in the meaning defined at sense 1a

Rhymes for dosage

• overdosage

Kids Definition

dosage

noun

dos·​age ˈdō-sij 

1

a

: the giving of medicine in doses

b

: the amount of a single dose

2

: the addition or application of a substance in a measured dose

Medical Definition

dosage

noun

dos·​age ˈdō-sij 

1

a

: the addition of an ingredient or the application of an agent in a measured dose

b

: the presence and relative representation or strength of a factor or agent (as a gene)

2

a

: dose sense 1

b(1)

: the giving of a dose

(2)

: regulation or determination of doses